Color

#251d5e

#251d5e
hex#251d5e
rgbrgb(37, 29, 94)
hslhsl(247, 53%, 24%)
oklchoklch(0.285 0.111 282.4)
Closest name: Dark Dreams (#332266)Relative luminance 0.0208

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#565e1d

#1d365e · #451d5e

#5e241d · #1d5e24

Split-complementary

Open in tool →

#5e451d · #365e1d

#5e1d36 · #565e1d · #1d5e45

Contrast

#251d5e as textRatioAAAA largeAAAFix
Aaon white
14.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #7367d0 as the text (4.58:1)
  • AAA: use #978edc as the text (7.22:1)
  • AA: or shift the background to #8f8f8f (4.59:1)
  • AAA: or shift the background to #b3b3b3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #251d5e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#251d5e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #251d5e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #251d5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/251d5e-a59cc4-dfaa4e-271f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md